# Circuit Breaker, SENTRON Series, 230 V, 16 A, 2 Pole, 800 A
**URL**: https://novapart.co/products/5SM3321-4/circuit-breaker-sentron-series-230-v-16-a-2-pole
**SKU**: 5SM3321-4
**Manufacturer**: SIEMENS
**Price**: €541.3100
**Stock**: 10+
## Specifications
| Parameter | Value |
|---|---|
| No. Of Poles | 2 Pole |
| Product Range | SENTRON Series |
| Current Rating | 16A |
| Overload Current | 800A |
| Insulation Voltage | - |
| Voltage Rating Vac | 230V |
| Voltage Rating Vdc | - |
## Datasheet
📄 [Download PDF](https://novapart.co/datasheet/farnell:3465063/)
**5SM3321-4**
**Data sheet**
Residual current operated circuit breaker, 2-pole, type B, short-time delayed, In: 16 A, 30 mA, Un AC: 230 V
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* suala|Residual current operated circuit breaker, 2-pole, type B, short-time delayed, In: 16
A, 30 mA, Un AC: 230 V|
|---|---|
|**Model**||
|**product brand name**|SENTRON|
|**product designation**|Residual current operated circuit breaker|
|**design of theproduct**|Short-time delayed|
|**product type designation**|5SM3|
|**General technical data**||
|**number ofpoles**|2|
|**size of installation devices according to DIN 43880**|1|
|**mechanical service life(operating cycles) typical**|10 000|
|**switching function short-term delayed**|Yes|
|**tripping fault current rated value**|30 mA|
|**Supply voltage**||
|supplyvoltage for testingequipment minimum|195 V|
|**value range of the supply voltage frequency**|50 Hz|
|**value range of the operating frequency**|50/60 Hz|
|**value range of the supply voltage at AC**|230 V|
|**Protection class**||
|**protection class IP**|IP20, if the distribution board is installed, with connected conductors|
|**Breaking Capacity**||
|**switching capacity current**||
|● accordingto EN 60898 rated value|0.8 kA|
|● accordingto IEC 61008-1 rated value|0.8 kA|
|**Dissipation**||
|**power loss[W]**||
|● for rated value of the current at AC in hot operating state
perpole|0.4 W|
|● maximum|0.8 W|
|**Appearance**||
|**RAL color number**|7 035|
|**RAL color number(similar)**|7 035|
|**Product details**||
|**product feature silicon-free**|Yes|
|**product extension installable supplementary devices**|Yes|
|**Connections**||
|**connectable conductor cross-section solid**||
|● minimum|1.5 mm²|
|● maximum|25 mm²|
|**connectable conductor cross-section stranded**||
|● minimum|1.5 mm²|
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Subject to change without notice © Copyright Siemens
6/4/2026
|● maximum|||25 mm²||
|---|---|---|---|---|
|**tightening torque with screw-type terminals**|||||
|● minimum|||2.5 N·m||
|● maximum
~~re~~|||3 N·m||
|**position of power supply cord**|||Top or bottom(bottom for SIGRES function also in switched-off state)||
|**Mechanical Design**|||||
|**height**|||90 mm||
|**width**|||72 mm||
|**depth**|||70 mm||
|**installation depth**|||70 mm||
|**number of modular width units**|||4||
|**fastening method**|||DIN rail(REG)||
|**mounting position**
~~re~~|||any||
|**Net Weight**|||545g||
|**Environmental conditions**|||||
|**ambient temperature during operation**|||||
|● minimum|||-25 °C||
|● maximum|||45 °C||
|ambient temperature duringstorage minimum|||-40 °C||
|**number of test cycles for environmental testing according**|||28||
|**to IEC 60068-2-30**|||||
|**Approvals Certificates**
~~ee~~|||||
|**Environment**|**General Product Approval**||**General Product Approval**||
|Environmental Con-
firmations
Environmental Con-
firmations
Miscellaneous
Confirmation
~~— FAD~~|||||
|**EMV**
**other**|||||
||Confirmation||||
||||||
|**Further information**
**Information on the packaging**
~~OO~~
~~—CSC“‘CNC;CéiésCs~~|||||
|https://support.industry.siemens.com/cs/ww/en/view/109813875|||||
|**Information for data generation and storage**|||||
|https://support.industry.siemens.com/cs/ww/en/view/109995012|||||
|**Information- and Downloadcenter (Catalogs, Brochures,…)**|||||
|https://www.siemens.com/lowvoltage/catalogs|||||
|**Industry Mall (Online ordering system)**|||||
|https://mall.industry.siemens.com/mall/en/en/Catalog/product?mlfb=5SM3321-4|||||
|**Service&Support (Manuals, Certificates, Characteristics, FAQs,...)**|||||
|https://support.industry.siemens.com/cs/ww/en/ps/5SM3321-4|||||
|**Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, ...)**|||||
|https://www.automation.siemens.com/bilddb/cax_en.aspx?mlfb=5SM3321-4|||||
|**CAx-Online-Generator**|||||
|https://www.siemens.com/cax|||||
|**Tender specifications**|||||
|https://www.siemens.com/specifications|||||
|**Characteristic curves**|||||
|https://curves.simaris.siemens.com/curves/|||||
5SM33214 Page 2/4
Subject to change without notice © Copyright Siemens
6/4/2026
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**last modified:**
10/9/2025
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Subject to change without notice © Copyright Siemens
6/4/2026
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Subject to change without notice © Copyright Siemens
6/4/2026
## Links
- [View this product on Novapart](https://novapart.co/products/5SM3321-4/circuit-breaker-sentron-series-230-v-16-a-2-pole)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/siemens/5sm3321-4/rccb-2p-16a-230vac/dp/3465063)
---
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